TI-BASIC:Number Or List
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Routine Summary
Determines whether an input is a number or list.
Inputs
Ans - the number or list to examine
Outputs
Ans - 1 if the input is a number, 0 if it is a list (see criteria below)
Variables Used
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Calculator Compatibility
TI-83/84/+/SE Author
ZedaAuthors
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As long as Ans is always contains more than one element and the second element is not twice that of the first, this will determine if Ans is a list or not:
Ans(2)=2Ans(1
If Ans is a number, this will always return 1, else if it is a list meeting the above criteria it returns 0.
